Billabong Dbah Bio Wave Pro 21" Boardshorts. Cut through waves in Billabong's Dbah Bio Wave Pro Boardshorts featuring contrast panels with taped seams for style that performs. Part of the Billabong Spec 73 Collection, the fixed waist and 21" outseam provide a reliable fit, while the back patch pocket keeps essentials secure. Made with partially recycled polyester and spandex for superior stretch and comfort. 90% Recycled Polyester 10% Spandex. Machine wash. Imported.